公开(公告)号：US06849670B2

公开(公告)日：2005-02-01

申请号：US10088347

申请日：2001-07-19

申请人： Takeshi Satoh ,  Masataka Himeno ,  Hideki Kazama

发明人： Takeshi Satoh ,  Masataka Himeno ,  Hideki Kazama

IPC分类号： A61K6/00 ,  A61K6/083 ,  C08J3/28 ,  A61K6/08 ,  C08K9/06

CPC分类号： A61K6/083 ,  A61K6/0052 ,  A61K6/0073 ,  C08L27/00 ,  C08L33/04

摘要： A photocurable dental restorative comprising (i) 100 parts by weight of a polymerizable monomer, (ii) 0.01 to 5 parts by weight of a photopolymerization initiator of acylphosphine oxide, and (iii) 200 to 1900 parts by weight of an inorganic filler, wherein the inorganic filler (iii) is a mixed filler of: (A) irregular-shaped inorganic particles having an average particle size of not smaller than 0.1 μm but smaller than 1 μm; (B) spherical inorganic particles having an average primary particle size of not smaller than 0.1 μm but not larger than 5 μm; and (C) fine inorganic particles having an average primary particle size of not larger than 0.1 μm; which are so blended as to satisfy the following mass ratios {circle around (1)} to {circle around (3)}: {circle around (1)} mA/(mB+mC)=0.2 to 3 {circle around (2)} mB/(mB+mC)=0.5 to 0.99 {circle around (3)} mC/(mB+mC)=0.01 to 0.5 where mA, mB and mC are masses of the inorganic particles (A) to (C). The restorative features excellent handling property, and makes it possible to obtain a cured product having a high fracture toughness and excellently glossy surface.

摘要翻译： 一种光固化性牙科修复剂，其包含（i）100重量份的可聚合单体，（ii）0.01至5重量份的酰基氧化膦的光聚合引发剂，和（iii）200至1900重量份的无机填料，其中 无机填充剂（iii）是以下混合填料：（A）平均粒径为0.1μm以上且小于1μm的不规则形状的无机粒子;（B）平均一次粒径为 不小于0.1μm，但不大于5μm; 和（C）平均一次粒径不大于0.1μm的无机细颗粒;它们被共混以满足以下质量比：圆周（1至{周围（3：{圆周（1mA / （mB + mC）= 0.2〜3（圆周（2mB /（mB + mC））= 0.5〜0.99（圆周（3mC /（mB + mC））= 0.01〜0.5其中mA，mB和mC为 无机粒子（A）〜（C）。修复体具有优异的处理性，可以得到断裂韧性高，表面光滑的固化物。

公开(公告)号：US5476912A

公开(公告)日：1995-12-19

申请号：US268321

申请日：1994-06-30

申请人： Yasuhiro Hosoi ,  Osamu Iwamoto ,  Masataka Himeno

发明人： Yasuhiro Hosoi ,  Osamu Iwamoto ,  Masataka Himeno

IPC分类号： A61K6/00 ,  A61K6/093 ,  C08F8/42 ,  C08G81/02 ,  C08F230/08 ,  C08F218/12 ,  C08F220/10

CPC分类号： C08G81/024 ,  A61K6/0026 ,  C08F8/42

摘要： An adhesive which exhibits excellent adhesiveness and is capable of firmly adhering an acrylic resin and a silicone rubber together at a temperature of as low as about 20.degree. to 30.degree. C. requiring a time of as short as several minutes. The adhesive is obtained by dissolving in a solvent a novel silicone-modified acrylic copolymer having a polyorganosiloxane with an SiH reaction point on the side chain.

摘要翻译： 粘合剂表现出优异的粘合性，并且能够在低至约20-30℃的温度下将丙烯酸树脂和硅橡胶牢固地粘合在一起，需要短至几分钟的时间。 通过在溶剂中溶解具有侧链上具有SiH反应点的聚有机硅氧烷的新型硅氧烷改性丙烯酸共聚物来获得粘合剂。

公开(公告)号：US5513987A

公开(公告)日：1996-05-07

申请号：US207168

申请日：1994-03-08

申请人： Yasuhiro Hosoi ,  Osamu Iwamoto ,  Masataka Himeno

发明人： Yasuhiro Hosoi ,  Osamu Iwamoto ,  Masataka Himeno

IPC分类号： A61C13/00 ,  A61C13/07 ,  A61K6/093 ,  A61C13/02

CPC分类号： A61C13/0025 ,  A61C13/0001

摘要： A denture having a layer of a soft relining material and a method of repairing denture. The denture has on the mucosa surface thereof the soft relining material which comprises a cured product of a composition that contains (A) 100 parts by weight of an organopolysiloxane having in a molecule thereof at least two organic groups with a terminal unsaturated bond, (B) an organohydrogenpolysiloxane having in a molecule thereof at least three hydrogen atoms bonded to silicon atoms, in such an amount that the number of said hydrogen atoms is 0.5 or greater per one unsaturated bond in the component (A), (C) a platinum catalyst in an amount of 0.1 to 1000 ppm reckoned as platinum atoms with respect to the total amount of the component (A) and the component (B), and (D) 5 to 300 parts by weight of a fine particle of a polyorganosilsesquioxane.

摘要翻译： 具有柔软修复材料层的义齿和修补义齿的方法。 该义齿在其粘膜表面上具有柔软的再填充材料，其包含组合物的固化产物，该组合物含有（A）100重量份的在其分子中具有至少两个具有末端不饱和键的有机基团的有机聚硅氧烷（B ）在其分子中具有与硅原子键合的至少三个氢原子的有机氢聚硅氧烷，其量使得组分（A）中每个不饱和键上的氢原子数为0.5或更大，（C）铂催化剂 相对于组分（A）和组分（B）的总量为0.1-1000ppm的铂原子计，和（D）5至300重量份的聚有机倍半硅氧烷的细颗粒。

公开(公告)号：US5856374A

公开(公告)日：1999-01-05

申请号：US962035

申请日：1997-10-31

申请人： Toru Ono ,  Masatugu Kusano ,  Masataka Himeno ,  Shigeki Yuasa

发明人： Toru Ono ,  Masatugu Kusano ,  Masataka Himeno ,  Shigeki Yuasa

IPC分类号： A61K6/08 ,  A61K6/083 ,  C08K3/22 ,  C08K3/34 ,  C08K3/36

CPC分类号： A61K6/083

摘要： A curable composition comprising (i) a polymerizable monomer, (ii) irregular-shaped inorganic particles (A) having an average particle diameter of from 1 to 9 .mu.m, and containing particles having particle diameters of not smaller than 10 .mu.m in an amount of not larger than 3% by weight, such as silica-zirconia irregular-shaped particles, (iii) spherical inorganic particles (B) having an average particle diameter of from 0.1 to 5 .mu.m, such as spherical silica-zirconia particles; (iv) inorganic fine particles (C) having an average particle diameter of from 0.01 to 0.1 .mu.m, such as fine particles of at least one inorganic oxide selected from the group consisting of silica, alumina, silica-zirconia and silica-titania; and (v) a polymerization initiator; wherein the irregular-shaped inorganic particles (A), spherical inorganic particles (B) and inorganic fine particles (C) are used in a total amount of from 300 to 1900 parts by weight per 100 parts by weight of the polymerizable monomer, and, when the total amount of the spherical inorganic particles (B) and the inorganic fine particles (C) is set to be 100% by weight, the spherical inorganic particles (B) are used at a ratio of from 50 to 99% by weight and the inorganic fine particles (C) are used at a ratio of from 50 to 1% by weight, and wherein the weight ratio �(A)/{(B)+(C)}! of the irregular-shaped inorganic particles (A) to the total amount of the spherical inorganic particles (B) and the inorganic fine particles (C) is from 0.3 to 3, and the polymerization initiator is used in an amount of from 0.01 to 5 parts by weight per 100 parts by weight of the polymerizable monomer.

摘要翻译： 一种可固化组合物，其包含（i）可聚合单体，（ii）平均粒径为1至9μm的不规则形状的无机颗粒（A），并且含有粒径不小于10μm的颗粒 不大于3重量％的量，例如二氧化硅 - 氧化锆不规则形颗粒，（iii）平均粒径为0.1-5μm的球形无机颗粒（B），如球形二氧化硅 - 氧化锆颗粒; （iv）平均粒径为0.01〜0.1μm的无机细颗粒（C），例如选自二氧化硅，氧化铝，二氧化硅 - 氧化锆和二氧化硅 - 二氧化钛的至少一种无机氧化物的细颗粒; 和（v）聚合引发剂; 其中所述不规则形状的无机颗粒（A），球形无机颗粒（B）和无机细颗粒（C）的使用量相对于每100重量份的可聚合单体为300至1900重量份， 当将球形无机颗粒（B）和无机细颗粒（C）的总量设定为100重量％时，球形无机颗粒（B）以50至99重量％的比例使用，和 无机微粒（C）的使用比例为50〜1重量％，不规则形状的无机粒子（A）的重量比[（A）/ {（B）+（C）}] ）相对于球形无机颗粒（B）和无机微粒（C）的总量为0.3〜3，聚合引发剂的使用量为每100重量份的0.01-5重量份 可聚合单体。